Dominant Plantlife in the Desert

Joshua Tree (Yucca Brevifolia)

Joshua%20Tree%20National%20Park,%20California.jpg

http://francesdinkelspiel.blogspot.com/2007_04_01_archive.html

California Fan Palm (Washingtoia Filifera)

http://allergy.peds.arizona.edu/southwest/grass_weeds/images/desert1.jpg

Beaver Tail Cactus (Opuntia Basilaris)

http://www.expeditionswest.com/adventures/2004/tortolitas/images/beavertail_cactus_jpg.jpg

Saguaro or the Giant Desert Cactus (Cereus Gigantea)

http://tour.airstreamlife.com/weblog/Tucson%20Saguaro.jpg

Endangered Plant Species
Arizona agave (Agave arizonica)

http://www.desert-tropicals.com/Plants/Agavaceae/Agave_arizonica.jpg

Siler pincushion cactus (Pedicactus sileri)

http://www.fws.gov/southwest/es/Arizona/images/SpeciesImages/Siler_Pincushion.jpg

Arizona cliffrose (Cowania subintegra)

http://www.naturesongs.com/vvplants/cliffrose1.jpg

Pincushion cactus (Pediocactus bradyi)

http://thumb18.webshots.net/t/57/157/6/11/23/404961123sePhAy_th.jpg

Tumamoc globeberry (Tumamcoa macdougalii)

http://www.bihrmann.com/Caudiciforms/foto/tum-mac.jpg

Extinct Plant Species
Evening Primrose(Oenothera Biennis)

http://weedscanada.ca/images/On1-yellow-evening-primrose.JPG

(teucriem ajugaceum) since 1873
(Rhaphidospora cavernarum) since 1891